Patents for B23K 9 - Arc welding or cutting (32,679)
07/1999
07/22/1999WO1999036219A1 Control device for a welding apparatus
07/22/1999DE19901081A1 Procedure for magnetically moved arc pressure welding
07/22/1999CA2283558A1 Method for preparing a welding fluid of constant physico-chemical characteristics with time, and a plant for its preparation
07/21/1999EP0930125A1 Methods and apparatus for welding performance measurement
07/21/1999EP0929377A1 Welding device
07/21/1999EP0929373A1 Strain relief assembly for welding cable
07/21/1999CN2329475Y Electrode holders
07/21/1999CN2329474Y Electrode holders
07/21/1999CN1223189A Pulse argon-are welding technology for zirconium 4 alloy thin-wall guiding pipe assembly
07/21/1999CN1223188A Method and apparatus for controlling welding robot
07/21/1999CN1223187A 焊接机 Welding machine
07/15/1999WO1999034950A1 Welding apparatus
07/15/1999CA2317489A1 Welding apparatus
07/14/1999EP0928658A1 Metallic substrate protection method using a welding process
07/14/1999CN2329075Y Adjustable resistance for arc welder
07/14/1999CN2328856Y Gasifying air supply device for purification of CO2
07/14/1999CN1222875A Strain relief assembly for welding cable
07/14/1999CN1044099C Manufacture of internally enhanced welded tubing
07/13/1999US5923555 Welding system
07/13/1999CA2189932C Welding power supply housing
07/13/1999CA2012744C Process for manufacturing stamp formed mufflers
07/08/1999WO1999034027A1 Welding technique for forming passive chromium oxide film in weld and gas feed system for welding
07/08/1999WO1999033602A1 Device for cleaning a welding torch
07/07/1999EP0927594A1 Method for coating materials
07/07/1999CN2328079Y Water cooling Y shape noninductive electric cable
07/07/1999CN2327492Y Small size D.C. welder
07/07/1999CN2327491Y Three-hole gas torch
07/07/1999CN2327490Y Small size D.C. welder
07/07/1999CN1221674A Process of coating extruder screw
07/07/1999CN1043968C Appts. for controlling consumable electrode type pulsed arc welding power source
07/06/1999US5918793 Inert gas detector for use in inert gas welding
07/06/1999US5918501 Sheet metal drawing tool and method for repairing sheet metal
06/1999
06/30/1999EP0925865A2 Robotic welding
06/30/1999EP0925139A1 Multiwire welding torch
06/30/1999EP0868248B1 Method for joining two parts of different kinds by heterogeneous butt welding, and uses thereof
06/30/1999CN2326383Y Portable dc. electric welder
06/30/1999CN2326382Y Double-welding-handle ac arc. welder
06/30/1999CN2326381Y Small dc. electric welder
06/30/1999CN1220930A Welding machine and used electromagnetic switch thereof
06/30/1999CN1220929A Electric-saving circuit of electric welder
06/30/1999CN1043861C Tool holder in particular for robot welding or cutting torches
06/29/1999US5917711 DC power supply apparatus
06/29/1999US5916465 Torch
06/29/1999US5916464 Welding force feedback wire feed system
06/29/1999US5916457 Material to be welded for butt welding, methods of cutting as well as welding the same, and a wire
06/24/1999WO1999031322A1 Rail welding apparatus incorporating rail restraining device, weld containment device and weld delivery unit
06/24/1999WO1999030863A1 Welding torch
06/23/1999EP0924020A2 Method and apparatus for applying material to a face of a flow directing assembly for a gas turbine engine
06/23/1999EP0924015A1 Screw extruder coating process
06/23/1999CN2325155Y Full sealed, multi-function and carbon deoxide shielding semiautomatic welding device
06/23/1999CN2325154Y Durable electrode holder
06/23/1999CN2325153Y No-load energy saving arrangement for electric welding machine
06/23/1999CN1043745C Power source for electric arc welding
06/23/1999CN1043744C Three phases sysmeterical taps rectifying arc welder
06/22/1999US5914061 High workability welding wire
06/22/1999US5914055 High temperature, pressure
06/22/1999CA2017194C Bolt-type boiler wall tube tool
06/17/1999WO1999029466A1 Multi-purpose, multi-transfer, multi-position shielding gas for arc welding
06/16/1999EP0923098A2 Device and method for applying a metallic contact member to a support by welding
06/16/1999EP0922522A1 Arc welding apparatus setting device, and measuring device using a coding system
06/16/1999EP0921891A1 Stud welding collet
06/16/1999EP0921890A1 Method of welding
06/16/1999EP0921889A1 Device for the heat treatment of a welding wire to be processed according to a hot-wire process
06/16/1999CN2323900Y Memory tracking automatic arc-welding cart
06/16/1999CN2323899Y Butt-joint device
06/15/1999US5911894 Enhanced contact area quick release MIG gun tip
06/15/1999US5911893 Arc welding method and apparatus with power cable fatigue monitor
06/15/1999CA2189721C Power selection and protection circuit for inverter power supply
06/10/1999WO1999028078A2 Method for burning, welding and/or cutting metal materials using a shielding gas
06/09/1999CN2322737Y Track device for automatic welding storage tank
06/09/1999CN2322736Y Heat insulation electric welding tongs
06/09/1999CN2322735Y Heat insulation electric welding tongs
06/09/1999CN2322734Y Closing device using argon arc welding
06/08/1999US5910258 Weld head assembly
06/02/1999EP0919321A2 Hybrid welding apparatus
06/02/1999EP0918590A1 Welding electrode holder for coated electrodes
06/02/1999CN2322250Y Secondary tapped arc-welding transformer
06/02/1999CN2321573Y Reactive dynamic compensation electricity-saving box
06/01/1999CA2047704C Method of operation for high speed automatic welding
05/1999
05/26/1999EP0917923A2 Wire feeder torch
05/26/1999EP0789640B1 Welding control using fuzzy logic analysis of video imaged puddle dimensions
05/26/1999CN2320359Y Electrode holder
05/26/1999CN2320358Y Inverting arc welding rectifier
05/26/1999CN1043461C Clamper for nozzle of arc welding or cutting
05/26/1999CN1043460C Arc torch or arc cutting torch
05/20/1999WO1999024212A1 A welding device with linear drive
05/20/1999DE19749032A1 Welding apparatus
05/19/1999EP0916420A2 Welded pipe
05/19/1999EP0778741B1 Method and machine for manufacturing jewellery
05/19/1999EP0764070B1 Device for cleansing welding torches
05/19/1999CN2319164Y Crank welding pliers
05/19/1999CN2319163Y Photoelectric CO2 gas protection welding short circuit transition frequency detector
05/19/1999CN2319162Y Controller of argon arc welder
05/19/1999CN2319161Y Controller of manual tungsten electrode argon arc welder
05/19/1999CN1216945A Welding torch with a contact socket and a feed device
05/18/1999US5904864 Robotic welding
05/18/1999CA2012449C Machine vision system
05/12/1999CN2317984Y Ripple-tracing welding manipulator
05/12/1999CN2317983Y Current-detection type welder humanbody electroshock-preventing device
05/12/1999CA2253323A1 Seam free welded pipe